1 /*
2 * Copyright (C) 2006 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
4 *
5 * Author: John Ellis
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22 #include "pan-timeline.h"
23
24 #include "pan-item.h"
25 #include "pan-util.h"
26 #include "pan-view.h"
27 #include "pan-view-filter.h"
28
pan_timeline_compute(PanWindow * pw,FileData * dir_fd,gint * width,gint * height)29 void pan_timeline_compute(PanWindow *pw, FileData *dir_fd, gint *width, gint *height)
30 {
31 GList *list;
32 GList *work;
33 gint x, y;
34 time_t group_start_date;
35 gint total;
36 gint count;
37 PanItem *pi_month = NULL;
38 PanItem *pi_day = NULL;
39 gint month_start;
40 gint day_start;
41 gint x_width;
42 gint y_height;
43
44 list = pan_list_tree(dir_fd, SORT_NONE, TRUE, pw->ignore_symlinks);
45 pan_filter_fd_list(&list, pw->filter_ui->filter_elements, pw->filter_ui->filter_classes);
46
47 if (pw->cache_list && pw->exif_date_enable)
48 {
49 pw->cache_list = pan_cache_sort(pw->cache_list, SORT_NAME, TRUE);
50 list = filelist_sort(list, SORT_NAME, TRUE);
51 pan_cache_sync_date(pw, list);
52 }
53
54 pw->cache_list = pan_cache_sort(pw->cache_list, SORT_TIME, TRUE);
55 list = filelist_sort(list, SORT_TIME, TRUE);
56
57 *width = PAN_BOX_BORDER * 2;
58 *height = PAN_BOX_BORDER * 2;
59
60 x = 0;
61 y = 0;
62 month_start = y;
63 day_start = month_start;
64 x_width = 0;
65 y_height = 0;
66 group_start_date = 0;
67 // total and count are used to enforce a stride of PAN_GROUP_MAX thumbs.
68 total = 0;
69 count = 0;
70 work = list;
71 while (work)
72 {
73 FileData *fd;
74 PanItem *pi;
75
76 fd = work->data;
77 work = work->next;
78
79 if (!pan_date_compare(fd->date, group_start_date, PAN_DATE_LENGTH_DAY))
80 {
81 // FD starts a new day group.
82 GList *needle;
83 gchar *buf;
84
85 if (!pan_date_compare(fd->date, group_start_date, PAN_DATE_LENGTH_MONTH))
86 {
87 // FD starts a new month group.
88 pi_day = NULL;
89
90 if (pi_month)
91 {
92 x = pi_month->x + pi_month->width + PAN_BOX_BORDER;
93 }
94 else
95 {
96 x = PAN_BOX_BORDER;
97 }
98
99 y = PAN_BOX_BORDER;
100
101 buf = pan_date_value_string(fd->date, PAN_DATE_LENGTH_MONTH);
102 pi = pan_item_text_new(pw, x, y, buf,
103 PAN_TEXT_ATTR_BOLD | PAN_TEXT_ATTR_HEADING,
104 PAN_TEXT_BORDER_SIZE,
105 PAN_TEXT_COLOR, 255);
106 g_free(buf);
107 y += pi->height;
108
109 pi_month = pan_item_box_new(pw, file_data_ref(fd),
110 x, y, 0, 0,
111 PAN_BOX_OUTLINE_THICKNESS,
112 PAN_BOX_COLOR, PAN_BOX_ALPHA,
113 PAN_BOX_OUTLINE_COLOR, PAN_BOX_OUTLINE_ALPHA);
114
115 x += PAN_BOX_BORDER;
116 y += PAN_BOX_BORDER;
117 month_start = y;
118 }
119
120 if (pi_day) x = pi_day->x + pi_day->width + PAN_BOX_BORDER;
121
122 group_start_date = fd->date;
123 total = 1;
124 count = 0;
125
126 needle = work;
127 while (needle)
128 {
129 FileData *nfd;
130
131 nfd = needle->data;
132 if (pan_date_compare(nfd->date, group_start_date, PAN_DATE_LENGTH_DAY))
133 {
134 needle = needle->next;
135 total++;
136 }
137 else
138 {
139 needle = NULL;
140 }
141 }
142
143 buf = pan_date_value_string(fd->date, PAN_DATE_LENGTH_WEEK);
144 pi = pan_item_text_new(pw, x, y, buf, PAN_TEXT_ATTR_NONE,
145 PAN_TEXT_BORDER_SIZE,
146 PAN_TEXT_COLOR, 255);
147 g_free(buf);
148
149 y += pi->height;
150
151 pi_day = pan_item_box_new(pw, file_data_ref(fd), x, y, 0, 0,
152 PAN_BOX_OUTLINE_THICKNESS,
153 PAN_BOX_COLOR, PAN_BOX_ALPHA,
154 PAN_BOX_OUTLINE_COLOR, PAN_BOX_OUTLINE_ALPHA);
155
156 x += PAN_BOX_BORDER;
157 y += PAN_BOX_BORDER;
158 day_start = y;
159 }
160
161 if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE)
162 {
163 pi = pan_item_image_new(pw, fd, x, y, 10, 10);
164 if (pi->width > x_width) x_width = pi->width;
165 y_height = pi->height;
166 }
167 else
168 {
169 pi = pan_item_thumb_new(pw, fd, x, y);
170 x_width = PAN_THUMB_SIZE;
171 y_height = PAN_THUMB_SIZE;
172 }
173
174 pan_item_size_by_item(pi_day, pi, PAN_BOX_BORDER);
175 pan_item_size_by_item(pi_month, pi_day, PAN_BOX_BORDER);
176
177 total--;
178 count++;
179
180 if (total > 0 && count < PAN_GROUP_MAX)
181 {
182 y += y_height + PAN_THUMB_GAP;
183 }
184 else
185 {
186 x += x_width + PAN_THUMB_GAP;
187 x_width = 0;
188 count = 0;
189
190 if (total > 0)
191 y = day_start;
192 else
193 y = month_start;
194 }
195
196 pan_item_size_coordinates(pi_month, PAN_BOX_BORDER, width, height);
197 }
198
199 g_list_free(list);
200 }
201 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
202